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Finding the Fourth Proportional to 7,379.05, 11,062.09 and 3,488.17

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Solution

The fourth proportional to 7,379.05, 11,062.09 and 3,488.17 is: 5,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.05 : 11,062.09 = 3,488.17 : x
  2. Step 2: Convert to fraction form
    7,379.05/11,062.09 = 3,488.17/x
  3. Step 3: Cross multiply
    7,379.05x = 11,062.09 × 3,488.17
  4. Step 4: Simplify right side
    7,379.05x = 38,586,450.48
  5. Step 5: Solve for x
    x = 38,586,450.48/7,379.05
  6. Step 6: Final answer
    x = 5,229.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.